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BenQ AH700ST 4000-Lumen 1080p Laser Short Throw Golf Simulator Projector
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- 4K UHD Short Throw: 3840x2160 at 0.496:1. Fills a 10 x 7.5 ft 4:3 screen from about 6 ft 7 in.
- 4,000 Lumens Laser: Bright, vivid images even with ambient light.
- 20,000-Hour Laser Life: No bulb replacements (30,000 hrs Eco).
- IP6X Dust Protection: Fully sealed optical engine stays pristine.
- Screen Fill Technology: Switch 16:9, 4:3, 1:1, 5:4, 16:10 instantly.
4K Short Throw
BenQ LK830ST 4K Laser Short Throw Golf Simulator Projector
The BenQ LK830ST is a 4K UHD short-throw laser projector built for golf simulators where space is at a premium. At $2,499, it delivers 3840x2160 resolution and 4,000 ANSI lumens with a fixed 0.496:1 throw ratio -- filling a 10 ft wide, 7 ft 6 in tall 4:3 impact screen from about 6 ft 7 in.
Not sure this is the right projector for your setup? Our Find My Projector tool matches the projectors we carry to your room size, budget, screen, and ambient light.
No more running cables across your room. No swing shadows. No bulb replacements for 20,000+ hours. The LK830ST packs 4K laser performance into a compact 7.93 lb body with IP6X dust protection, Screen Fill aspect ratio switching, and Simulation mode color calibration -- purpose-built for the tightest simulator bays.
In Stock
Ships free within the contiguous 48 states
4,000
ANSI Lumens
4K UHD
Resolution
20,000
Hour Laser Life
0.496:1
Short Throw
Our Review
BenQ LK830ST Review: Our Take
Buy the BenQ LK830ST if you want a 4K UHD laser golf projector with 4,000 ANSI lumens and a fixed 0.496:1 short throw that fills a 10 ft wide 4:3 screen from about 6 ft 7 in, for $2,499.
It fits short rooms, basements and garages where a 0.69:1 projector cannot sit 9 ft back, and floor or shelf mounts close to the screen.
Pros
- 4K UHD (3840 x 2160) at 4,000 ANSI lumens with a 3,000,000:1 contrast ratio and 93% Rec.709 color.
- Fixed 0.496:1 throw: about 6.6 ft for a 10 x 7.5 ft 4:3 screen and 7.9 ft for 12 x 9 ft.
- Input lag of 4.2 ms at 1080p 240Hz and 16.7 ms at 4K 60Hz.
- Laser rated 20,000 hours (30,000 in Eco) in an IP6X sealed engine; 30 dB in Normal mode, 24 dB in Eco.
- Screen Fill for 16:9, 4:3, 16:10, 1:1 and 5:4 screens, a 15W speaker, and a 3-year parts, labor and laser warranty.
Cons
- No optical zoom and no mechanical lens shift (digital shrink and shift of 0.75x to 1.00x only), so place it close to the calculated distance.
- Costs $300 more than the TK710STi, which has 3,200 lumens.
- Costs $1,000 more than the 1080p BenQ AH30ST.
- Weighs 7.93 lb; the BenQ CM00G3 ceiling mount is a separate purchase.
Key numbers: 4,000 ANSI lumens, 4K UHD, 0.496:1 fixed throw, 3,000,000:1 contrast, 20,000-hour laser, 4.2 ms lag at 1080p 240Hz, 2 x HDMI 2.0b, IP6X, 7.93 lb, 3-year warranty, $2,499.
Purpose-Built for Tight Spaces
Why Golfers Choose the LK830ST
Short Throw
Fixed 0.496:1 ratio fills a 10 ft x 7 ft 6 in 4:3 screen from about 6 ft 7 in. Mount a few feet from the screen and reclaim your room depth for the swing that matters.
True 4K UHD
3840x2160 resolution with 93% Rec.709 color coverage. Fairways, greens, and data overlays render in razor-sharp detail on screens up to 10 feet tall.
4,000 Lumens Laser
Laser light source rated for 20,000 hours (30,000 in Eco). No bulb changes. Consistent performance year after year.
IP6X Dust Protection
Fully sealed optical engine blocks dust from degrading the image. No filters to clean. Install it and forget it -- the optics stay pristine.
Screen Fill
Switch between 16:9, 4:3, 16:10, 1:1, and 5:4 aspect ratios instantly.
Compact and Lightweight
At just 7.93 lbs and 10.99 x 4.74 x 9.03 inches, the LK830ST fits where other 4K projectors cannot. Ceiling, shelf, or floor -- it works anywhere.
Room Planning
Short Throw for Shallow Rooms
The LK830ST's fixed 0.496:1 throw ratio means it projects a large image from an incredibly short distance. Use the formula: distance = 0.496 x picture width.
On a 4:3 screen the picture width is the screen height x 16/9, because the 16:9 picture has to reach the full screen height. No zoom, no adjustment needed -- just precise placement at the calculated distance.
8 x 6 ft 4:3 Screen
~5.3 ft
9 x 6.75 ft 4:3 Screen
~6.0 ft
10 x 7.5 ft 4:3 Screen
~6.6 ft
12 x 9 ft 4:3 Screen
~7.9 ft
100" 16:9 Screen
~3.6 ft
120" 16:9 Screen
~4.3 ft
BenQ's Golf-Sim 3D Planner tool helps determine exact placement before you drill a single hole.
Who It's For
Is the LK830ST Right for Your Build?
Tight Space Builder
Your room is short and you cannot fit a projector like the AK700ST 9 ft 2 in or more back. The LK830ST fills a 10 ft x 7 ft 6 in 4:3 screen from about 6 ft 7 in -- perfect for basements, garages, and spare bedrooms with limited depth.
4K on a Budget
You want UHD laser quality without the $2,899+ price tag of the AK700ST. The LK830ST delivers the same 4,000-lumen, 4K laser image for $400 less.
Low-Maintenance Priority
You want to install it once and forget it. 20,000 hours of laser life, IP6X dust sealing, no filters to clean, no bulbs to replace. Just golf.
Commercial / Lesson Studio
Teaching pros and commercial facilities need a projector that runs 8+ hours daily without degradation. Laser delivers consistent brightness session after session.
Floor or Shelf Mount Setup
Prefer not to ceiling-mount? The LK830ST's short throw and compact size make it ideal for floor or shelf placement -- about 6 ft 7 in from a 10 ft x 7 ft 6 in 4:3 screen.
Entertainment Beyond Golf
Your sim room doubles as a home theater. 4K resolution, 4,000 lumens, and HDR10 support mean movie nights, big-screen sports, and gaming look just as sharp as your sim sessions.
0
to 1 Contrast Ratio
Deep blacks. Vivid colors. Every blade of grass, every fairway contour, every data overlay rendered with clarity that makes your simulator feel real.
Technical Details
Key Specifications
Resolution
3840 x 2160 (4K UHD)
Brightness
4,000 ANSI lumens
Light Source
Laser (20,000 hrs / 30,000 Eco)
Throw Ratio
0.496:1 (fixed)
Contrast
3,000,000:1
Zoom / Lens Shift
Fixed (no zoom, no lens shift)
Input Lag
16.7ms (4K/60Hz), 4.2ms (1080p/240Hz)
Color Coverage
93% Rec.709
Screen Fill
16:9, 4:3, 16:10, 1:1, 5:4
Connectivity
HDMI 2.0b x2, USB-A x2, LAN, RS-232
Speaker
15W built-in
Dust Protection
IP6X sealed engine
Noise Level
30 dB (Normal) / 24 dB (Eco)
Weight
7.93 lbs
Dimensions
10.99 x 4.74 x 9.03 in (WxHxD)
Warranty
3-year (parts + labor + laser)
How It Compares
BenQ LK830ST vs Other Golf Simulator Projectors
Every projector in this comparison is available from Top Shelf Golf. Your ideal choice depends on resolution, throw distance, and room size.
| Feature | LK830ST ($2,499) | AK700ST ($2,899) | TK710STi ($2,199) | AH30ST ($1,499) |
|---|---|---|---|---|
| Resolution | 4K UHD | 4K UHD | 4K UHD | 1080p |
| Brightness | 4,000 lumens | 4,000 lumens | 3,200 lumens | 3,000 lumens |
| Light Source | Laser (20K hrs) | Laser (20K hrs) | Laser (20K hrs) | LED (30K hrs) |
| Throw Ratio | 0.496:1 short throw | 0.69-0.83:1 | 0.69-0.83:1 | 0.69-0.83:1 |
| Zoom / Lens Shift | Fixed (none) | 1.2x zoom, no lens shift | 1.2x zoom, no lens shift | 1.2x zoom, no lens shift |
| Dust Protection | IP6X | IP5X | Not listed | No |
| Screen Fill | Yes (5 ratios) | Yes | No | Yes |
| Best For | 4K short throw in tight spaces | Premium 4K with flexibility | Affordable 4K laser | Budget 1080p LED |
Setup Guide
Get the Most Out of Your LK830ST
Six tips to get a perfect image from day one.
Measure First
With a fixed lens, precise placement is everything. Use BenQ's Golf-Sim 3D Planner tool and the formula distance = 0.496 x picture width (the screen height x 16/9 on a 4:3 screen) to calculate exact projector position before drilling.
Choose Your Mount
Ceiling-mount with the BenQ ceiling mount ($99), or take advantage of the short-throw design with a shelf or floor mount a few feet from the screen.
Use 2D Keystone Sparingly
The LK830ST offers 2D keystone correction (auto vertical ±30 degrees, horizontal ±30 degrees) and Corner Fit. Use these for fine-tuning only -- precise physical placement always yields the sharpest image.
Set Screen Fill
In the menu, select the Screen Fill ratio that matches your enclosure setup. Switch between 16:9, 4:3, 1:1, and more to match your screen.
Pair with Quality Enclosure
A good enclosure setup makes a measurable difference in image quality. ALR screen material maximizes the LK830ST's 4,000 lumens of laser brightness.
Read the Manual
BenQ's documentation covers every adjustment in detail. Download the LK830ST manual (PDF) for the full setup walkthrough.
4K Laser. Short Throw. Your Tightest Room Just Got an Upgrade.
In stock. Ships free within the contiguous 48 states. Financing available through Affirm.
Add to Cart - $2,499
Related Reading
Learn More About Golf Simulator Projectors
Explore our in-depth guides to choose and set up the perfect projector.
Resolution Guide
4K vs 1080p: Do You Really Need 4K?
When the jump to 4K matters for golf simulators and when 1080p is plenty -- based on screen size and viewing distance.
Setup Guide
Short Throw vs Ultra-Short Throw Projector Placement
Where to mount your projector based on throw type, screen size, and room depth. Includes diagrams and measurements.
Buying Guide
Best Golf Simulator Projectors in 2026
BenQ and Optoma models compared side by side -- resolution, lumens, throw ratio, and price to help you pick the right one.
Comparison
BenQ vs Optoma: Which Projector Fits Your Simulator?
A head-to-head look at the two leading golf simulator projector brands across price, image quality, and throw ratio.
Comparison
Laser vs Lamp vs LED: Which Light Source Is Best?
Compare projector light sources on brightness, lifespan, color accuracy, and cost to find the right fit for your sim room.
Brightness Guide
How Many Lumens Do You Need for a Golf Simulator?
A complete brightness guide covering ambient light, screen gain, and the minimum lumens for basements, garages, and dedicated rooms.
Setup Guide
Projector Setup Guide: Distance, Mounting & Image Size
Step-by-step instructions for throw distance, ceiling mount placement, keystone correction, and dialing in image size.
Pairing Guide
Projector + Screen Pairing Guide
How to match your projector to the right impact screen based on throw ratio, gain, resolution, and room dimensions.
Ambient Light
Best Projectors for Garage Golf Simulators
Top projector picks for garage setups where ambient light is a challenge. Covers ALR screens, lumens, and light control tips.
Buying Guide
Best 4K Golf Simulator Projectors: 8 Models Compared
The top 4K projectors ranked for golf simulators -- comparing true 4K vs pixel-shift, laser vs lamp, and value for money.
Budget Guide
Best Projectors Under $2,000
Eight projectors under $2,000 ranked for golf simulator use -- covering lumens, throw ratio, resolution, and input lag.
Budget Guide
Best Projectors Under $1,000
Budget-friendly projectors that still deliver a great golf simulator experience. Our top two picks compared on key specs.
Troubleshooting
Projector Troubleshooting: Fix Common Setup Issues
Solutions for image distortion, hot spots, flickering, lag, and other common projector problems in golf simulators.
Tech Guide
True 4K vs Pixel-Shift 4K Projectors
What golf sim owners need to know about native 4K vs pixel-shifting technology and when the difference actually matters.
Ultimate Guide
The Ultimate Guide to Golf Simulator Projectors
Everything you need to know about choosing, setting up, and optimizing a projector for your golf simulator.
Why Top Shelf Golf
Your Purchase is in Good Hands
Authorized BenQ Dealer
1,194+ Verified Reviews
Free Shipping
Contiguous 48 States
Contiguous 48 States
Expert Support
1-888-871-6110
1-888-871-6110
Affirm Financing Available
From the moment you first contact us, we offer the very best advice and service to find the right projector for your room and budget. We do not just sell boxes -- we help you build the sim room you have been planning.
Common Questions
Frequently Asked Questions
How far from the screen does the BenQ LK830ST need to be?
The LK830ST has a fixed 0.496:1 short-throw ratio. On a 10 ft wide, 7 ft 6 in tall 4:3 impact screen, the projector sits about 6 ft 7 in from the screen, because its 16:9 picture has to be 13 ft 4 in wide to reach the full height. On a 12 x 9 ft 4:3 screen it sits about 7 ft 11 in. That is much closer than zoom short-throw projectors like the AK700ST (9 ft 2 in to 11 ft 1 in on the same 10 ft screen).
How bright is the BenQ LK830ST for a golf simulator?
The LK830ST outputs 4,000 ANSI lumens via a laser light source. This is bright enough for most home and commercial simulator environments, including rooms with some ambient light. For dedicated sim rooms with controlled lighting, the image quality is exceptional. If your room has significant ambient light (large windows, overhead fluorescents), consider blackout curtains for optimal contrast.
Does the LK830ST have zoom or lens shift?
No. The LK830ST uses a fixed short-throw lens with no optical zoom and no mechanical lens shift. This means precise mounting is critical. Use the 2D keystone correction and Corner Fit features for fine-tuning, and BenQ's Golf-Sim 3D Planner tool to determine exact placement before installation.
Can I ceiling-mount or floor-mount the LK830ST?
Yes to both. The BenQ ceiling mount ($99) works with the LK830ST for overhead installation. Its short-throw design also makes it ideal for floor or shelf-mounted setups where the projector sits low and very close to the screen -- a setup that is impractical with standard-throw projectors.
What is the BenQ LK830ST laser life?
The LK830ST uses a laser light source rated at 20,000 hours in Normal mode and 30,000 hours in Eco mode. Unlike a lamp, it needs no routine bulb changes. At 4 hours of daily use, that is over 13 years of operation in Normal mode with no lamp replacements.
How does the LK830ST compare to the BenQ AK700ST?
Both are 4K laser projectors with 4,000 lumens from BenQ. The LK830ST ($2,499) uses a fixed short-throw lens (0.496:1) that fills a 10 ft wide, 7 ft 6 in tall 4:3 screen from about 6 ft 7 in, ideal for tight spaces. The AK700ST ($2,899) has a 0.69-0.83:1 throw ratio with 1.2x motorized zoom, offering more installation flexibility. Choose the LK830ST for the shortest possible throw distance; choose the AK700ST if you need zoom flexibility.
Is 4K resolution necessary for a golf simulator?
4K resolution (3840x2160) provides four times the pixel density of 1080p. On large screens (100 inches and up), the difference is clearly visible in course graphics, green reading, and club data overlays. If you are investing $5,000 or more in a launch monitor and software, a 4K projector ensures the image quality matches the rest of your setup. For tighter budgets, the BenQ AH30ST ($1,499) delivers excellent 1080p short-throw performance.
Does the LK830ST support different aspect ratios?
Yes. BenQ's Screen Fill feature lets you switch between 16:9, 4:3, 16:10, 1:1, and 5:4 aspect ratios. This is important for golf simulators because different software and enclosure setups use different aspect ratios. Screen Fill adjusts the projected image to match your screen.
Can I use the LK830ST with any golf simulator software?
Yes. The LK830ST connects via HDMI 2.0b and works with any simulator software including GSPro, E6 Connect, TGC 2019, Creative Golf 3D, Awesome Golf, and more. It is simply a display device -- compatible with any PC-based or console-based simulator setup.
How does Top Shelf Golf ship the LK830ST?
We ship the LK830ST free via FedEx. Usually ships within 1-3 business days when in stock. Manufacturer delays can happen; we email tracking the moment it ships. The projector weighs 7.93 lbs and ships in BenQ's original packaging with all included accessories.
Does the LK830ST have a built-in speaker?
Yes, it has a built-in 15W speaker -- more powerful than the 10W speaker in the AK700ST. For most simulator setups, an external sound system will deliver a better audio experience, but the built-in speaker works for basic use during setup and testing.
Does Top Shelf Golf offer financing for the BenQ LK830ST 4000-Lumen 4K Laser Short Throw Golf Simulator Projector?
Yes. Top Shelf Golf offers financing through Affirm with flexible monthly payment options. Select Affirm at checkout to check your rate -- it takes seconds and won't affect your credit score. 0% APR options may be available depending on eligibility.
Does BenQ offer a warranty on the LK830ST?
Yes. BenQ provides a 3-year limited warranty covering parts, labor, and the laser light source. Top Shelf Golf is an authorized BenQ dealer, so your warranty is fully backed. See our return policy for additional details.
Building a sim room? Browse our complete BenQ projector collection or call us at 1-888-871-6110 for a personalized recommendation based on your room size and budget.
BenQ LK830ST 4000-Lumen 4K Laser Short Throw Golf Simulator Projector
$2,499.00
Customer Reviews
Overall rating: 5.0 / 5 from 2 reviews.
Very pleased with this projector. Thank you top shelf
BenQ LK936ST 5100-Lumen 4K Laser Short Throw Golf Simulator Projector